Due to government health directives banning public gatherings to limit the spread of the Coronavirus Disease 2019 (COVID-19), all meetings to be held virtually until further notice. Please check this webpage for announcements related future Roundtable meetings. 

All activity of the SCSC Roundtable is currently suspended.  An update will be provided in the future on when activities may resume.



AAD-- Average Annual Day

AC-- Advisory Circular

AEDT-- Aviation Environmental Design Tool

AEE-- Federal Aviation Administration Office of Environment and Energy

ADO-- Airports District Office

AIP-- Airport Improvement Program

ANCA-- Airport Noise and Capacity Act of 1990

ANOMS-- Airport Noise and Operations Management System

ASNA-- Aviation Safety and Noise Abatement Act of 1979

ATC-- Air Traffic Control

ATCT-- Airport Traffic Control Tower

ATO-- Federal Aviation Administration Air Traffic Organization

CATEX-- Categorical Exclusion

CFR-- Code of Federal Regulations

CNEL-- Community Noise Equivalent Level

dB-- Decibel

dBA-- A-weighted decibel

DNL-- Day-Night Average Sound Level

EA-- Environmental Assessment

EIS-- Environmental Impact Statement

FAA-- Federal Aviation Administration

FAQs-- Frequently Asked Questions

FMRA-- FAA Modernization and Reform Act of 2012

FONSI-- Finding of No Significant Impact

FSDO-- Flight Standards Division Office

GA-- General Aviation

GIS-- Geographic Information System

GS-- Glide Slope

Hz-- Hertz

ICAO-- International Civil Aviation Organization

IFR-- Instrument Flight Rules

ILS-- Instrument Landing System

INM-- Integrated Noise Model

Leq-- Equivalent Continuous Sound Level

LOC-- Localizer

NAC-- NextGen Advisory Committee

NADP-- Noise Abatement Departure Procedure

NADP1-- Close-In Noise Abatement Departure Procedure

NADP2-- Distant Noise Abatement Departure Procedure

NAS-- National Airspace System

NASA-- National Aeronautics and Space Administration

NCP-- Noise Compatibility Program

NEM-- Noise Exposure Map

NEPA-- National Environmental Policy Act

NLR-- Noise Level Reduction

NOMS-- Noise and Operations Management System

OITC-- Outdoor-to-Indoor Transmission Class

OPD-- Optimized Profile Descent

PANS-OPS-- International Civil Aviation Organization Doc 8168, Procedures for Air
Navigation Services – Aircraft Operations

PBN-- Performance Based Navigation

PNdB-- Perceived Noise Decibels

RNAV-- Area Navigation

ROA-- Record of Approval

RWY-- Runway

SEL-- Sound Exposure Level

SLUCM-- Standard Land Use Coding Manual

STC-- Sound Transmission Class

TAC-- Technical Advisory Committee

TARGETS-- Terminal Area Route Generation and Traffic Simulation

TRACON-- Terminal Radar Approach Control

VFR-- Visual Flight Rules

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